Toy water gun



FIG. 1 is a perspective view of a toy water gun showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a toy water gun, substantially as shown. 